/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include #include #include #include #include #include #include #include #include #include #include using namespace com::sun::star; namespace sdr::overlay { void OverlayManager::ImpDrawMembers(const basegfx::B2DRange& rRange, OutputDevice& rDestinationDevice) const { const sal_uInt32 nSize(maOverlayObjects.size()); if(nSize) { const AntialiasingFlags nOriginalAA(rDestinationDevice.GetAntialiasing()); const bool bIsAntiAliasing(getDrawinglayerOpt().IsAntiAliasing()); // create processor std::unique_ptr pProcessor(drawinglayer::processor2d::createProcessor2DFromOutputDevice( rDestinationDevice, getCurrentViewInformation2D())); if(pProcessor) { for(const auto& rpOverlayObject : maOverlayObjects) { OSL_ENSURE(rpOverlayObject, "Corrupted OverlayObject List (!)"); const OverlayObject& rCandidate = *rpOverlayObject; if(rCandidate.isVisible()) { const drawinglayer::primitive2d::Primitive2DContainer& rSequence = rCandidate.getOverlayObjectPrimitive2DSequence(); if(!rSequence.empty()) { if(rRange.overlaps(rCandidate.getBaseRange())) { if(bIsAntiAliasing && rCandidate.allowsAntiAliase()) { rDestinationDevice.SetAntialiasing(nOriginalAA | AntialiasingFlags::EnableB2dDraw); } else { rDestinationDevice.SetAntialiasing(nOriginalAA & ~AntialiasingFlags::EnableB2dDraw); } pProcessor->process(rSequence); } } } } pProcessor.reset(); } // restore AA settings rDestinationDevice.SetAntialiasing(nOriginalAA); } } void OverlayManager::ImpStripeDefinitionChanged() { const sal_uInt32 nSize(maOverlayObjects.size()); if(nSize) { for(const auto& rpOverlayObject : maOverlayObjects) { OSL_ENSURE(rpOverlayObject, "Corrupted OverlayObject List (!)"); OverlayObject& rCandidate = *rpOverlayObject; rCandidate.stripeDefinitionHasChanged(); } } } double OverlayManager::getDiscreteOne() const { if(basegfx::fTools::equalZero(mfDiscreteOne)) { const basegfx::B2DVector aDiscreteInLogic(getOutputDevice().GetInverseViewTransformation() * basegfx::B2DVector(1.0, 0.0)); const_cast< OverlayManager* >(this)->mfDiscreteOne = aDiscreteInLogic.getLength(); } return mfDiscreteOne; } OverlayManager::OverlayManager(OutputDevice& rOutputDevice) : Scheduler(), mrOutputDevice(rOutputDevice), maOverlayObjects(), maStripeColorA(COL_BLACK), maStripeColorB(COL_WHITE), mnStripeLengthPixel(5), maDrawinglayerOpt(), maViewTransformation(), maViewInformation2D(), mfDiscreteOne(0.0) { // set Property 'ReducedDisplayQuality' to true to allow simpler interaction // visualisations uno::Sequence< beans::PropertyValue > xProperties(1); xProperties[0].Name = "ReducedDisplayQuality"; xProperties[0].Value <<= true; maViewInformation2D = drawinglayer::geometry::ViewInformation2D(xProperties); } rtl::Reference OverlayManager::create(OutputDevice& rOutputDevice) { return rtl::Reference(new OverlayManager(rOutputDevice)); } drawinglayer::geometry::ViewInformation2D const & OverlayManager::getCurrentViewInformation2D() const { if(getOutputDevice().GetViewTransformation() != maViewTransformation) { basegfx::B2DRange aViewRange(maViewInformation2D.getViewport()); if(OUTDEV_WINDOW == getOutputDevice().GetOutDevType()) { const Size aOutputSizePixel(getOutputDevice().GetOutputSizePixel()); // only set when we *have* an output size, else let aViewRange // stay on empty if(aOutputSizePixel.Width() && aOutputSizePixel.Height()) { aViewRange = basegfx::B2DRange(0.0, 0.0, aOutputSizePixel.getWidth(), aOutputSizePixel.getHeight()); aViewRange.transform(getOutputDevice().GetInverseViewTransformation()); } } OverlayManager* pThis = const_cast< OverlayManager* >(this); pThis->maViewTransformation = getOutputDevice().GetViewTransformation(); pThis->maViewInformation2D = drawinglayer::geometry::ViewInformation2D( maViewInformation2D.getObjectTransformation(), maViewTransformation, aViewRange, maViewInformation2D.getVisualizedPage(), maViewInformation2D.getViewTime(), maViewInformation2D.getExtendedInformationSequence()); pThis->mfDiscreteOne = 0.0; } return maViewInformation2D; } void OverlayManager::impApplyRemoveActions(OverlayObject& rTarget) { // handle evtl. animation if(rTarget.allowsAnimation()) { // remove from event chain RemoveEvent(&rTarget); } // make invisible invalidateRange(rTarget.getBaseRange()); // clear manager rTarget.mpOverlayManager = nullptr; } void OverlayManager::impApplyAddActions(OverlayObject& rTarget) { // set manager rTarget.mpOverlayManager = this; // make visible invalidateRange(rTarget.getBaseRange()); // handle evtl. animation if(rTarget.allowsAnimation()) { // Trigger at current time to get alive. This will do the // object-specific next time calculation and hand over adding // again to the scheduler to the animated object, too. This works for // a paused or non-paused animator. rTarget.Trigger(GetTime()); } } OverlayManager::~OverlayManager() { // The OverlayManager is not the owner of the OverlayObjects // and thus will not delete them, but remove them. Profit here // from knowing that all will be removed const sal_uInt32 nSize(maOverlayObjects.size()); if(nSize) { for(const auto& rpOverlayObject : maOverlayObjects) { OSL_ENSURE(rpOverlayObject, "Corrupted OverlayObject List (!)"); OverlayObject& rCandidate = *rpOverlayObject; impApplyRemoveActions(rCandidate); } // erase vector maOverlayObjects.clear(); } } void OverlayManager::completeRedraw(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice) const { if(!rRegion.IsEmpty() && !maOverlayObjects.empty()) { // check for changed MapModes. That may influence the // logical size of pixel based OverlayObjects (like BitmapHandles) //ImpCheckMapModeChange(); // paint members const tools::Rectangle aRegionBoundRect(rRegion.GetBoundRect()); const basegfx::B2DRange aRegionRange = vcl::unotools::b2DRectangleFromRectangle(aRegionBoundRect); OutputDevice& rTarget = pPreRenderDevice ? *pPreRenderDevice : getOutputDevice(); ImpDrawMembers(aRegionRange, rTarget); } } void OverlayManager::flush() { // default has nothing to do } void OverlayManager::add(OverlayObject& rOverlayObject) { OSL_ENSURE(nullptr == rOverlayObject.mpOverlayManager, "OverlayObject is added twice to an OverlayManager (!)"); // add to the end of chain to preserve display order in paint maOverlayObjects.push_back(&rOverlayObject); // execute add actions impApplyAddActions(rOverlayObject); } void OverlayManager::remove(OverlayObject& rOverlayObject) { OSL_ENSURE(rOverlayObject.mpOverlayManager == this, "OverlayObject is removed from wrong OverlayManager (!)"); // execute remove actions impApplyRemoveActions(rOverlayObject); // remove from vector const OverlayObjectVector::iterator aFindResult = ::std::find(maOverlayObjects.begin(), maOverlayObjects.end(), &rOverlayObject); const bool bFound(aFindResult != maOverlayObjects.end()); OSL_ENSURE(bFound, "OverlayObject NOT found at OverlayManager (!)"); if(bFound) { maOverlayObjects.erase(aFindResult); } } tools::Rectangle OverlayManager::RangeToInvalidateRectangle(const basegfx::B2DRange& rRange) const { if (getDrawinglayerOpt().IsAntiAliasing()) { // assume AA needs one pixel more and invalidate one pixel more const double fDiscreteOne(getDiscreteOne()); const tools::Rectangle aInvalidateRectangle( static_cast(floor(rRange.getMinX() - fDiscreteOne)), static_cast(floor(rRange.getMinY() - fDiscreteOne)), static_cast(ceil(rRange.getMaxX() + fDiscreteOne)), static_cast(ceil(rRange.getMaxY() + fDiscreteOne))); return aInvalidateRectangle; } else { // #i77674# transform to rectangle. Use floor/ceil to get all covered // discrete pixels, see #i75163# and OverlayManagerBuffered::invalidateRange const tools::Rectangle aInvalidateRectangle( static_cast(floor(rRange.getMinX())), static_cast(floor(rRange.getMinY())), static_cast(ceil(rRange.getMaxX())), static_cast(ceil(rRange.getMaxY()))); return aInvalidateRectangle; } } void OverlayManager::invalidateRange(const basegfx::B2DRange& rRange) { if (OUTDEV_WINDOW == getOutputDevice().GetOutDevType()) { tools::Rectangle aInvalidateRectangle(RangeToInvalidateRectangle(rRange)); // simply invalidate static_cast(getOutputDevice()).Invalidate(aInvalidateRectangle, InvalidateFlags::NoErase); } } // stripe support ColA void OverlayManager::setStripeColorA(Color aNew) { if(aNew != maStripeColorA) { maStripeColorA = aNew; ImpStripeDefinitionChanged(); } } // stripe support ColB void OverlayManager::setStripeColorB(Color aNew) { if(aNew != maStripeColorB) { maStripeColorB = aNew; ImpStripeDefinitionChanged(); } } // stripe support StripeLengthPixel void OverlayManager::setStripeLengthPixel(sal_uInt32 nNew) { if(nNew != mnStripeLengthPixel) { mnStripeLengthPixel = nNew; ImpStripeDefinitionChanged(); } } } // end of namespace /* vim:set shiftwidth=4 softtabstop=4 expandtab: */